GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Model details →OpenAI: GPT-5.1-Codex-Max vs SpaceXAI: Grok 4.7
SpaceXAI: Grok 4.7 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5.1-Codex-Max | SpaceXAI: Grok 4.7 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 500K | 🏆 SpaceXAI: Grok 4.7 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $1.25 | $1.60 | 🏆 OpenAI: GPT-5.1-Codex-Max |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $10.00 | $4.80 | 🏆 SpaceXAI: Grok 4.7 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5.1-Codex-Max better than SpaceXAI: Grok 4.7?
SpaceXAI: Grok 4.7 wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5.1-Codex-Max and SpaceXAI: Grok 4.7?
Input: $1.25 vs $1.60 per 1M tokens. Output: $10.00 vs $4.80 per 1M tokens.
What context windows do OpenAI: GPT-5.1-Codex-Max and SpaceXAI: Grok 4.7 support?
OpenAI: GPT-5.1-Codex-Max supports up to 400K tokens. SpaceXAI: Grok 4.7 supports up to 500K tokens.
Do both OpenAI: GPT-5.1-Codex-Max and SpaceXAI: Grok 4.7 support tool calling?
OpenAI: GPT-5.1-Codex-Max: yes. SpaceXAI: Grok 4.7: yes.